pre-release.yml

name: Create pre-release

on: 
  push:
    branches:
      - alpha

jobs:
  create-alpha-release:
    if: startsWith(github.event.head_commit.message, 'release(alpha):')
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Extract package version
        id: package-version
        run: |
          VERSION=$(node -p "require('./package.json').version")
          echo "version=v$VERSION-alpha" >> $GITHUB_OUTPUT

      - name: Extract release notes
        id: release-notes
        run: |
          COMMIT_MSG="${{ github.event.head_commit.message }}"
          RELEASE_NOTES=$(echo "$COMMIT_MSG" | sed -n '/^release(alpha):/,/^$/p' | sed '1d;$d')
          echo "release_notes<<EOF" >> $GITHUB_OUTPUT
          echo "$RELEASE_NOTES" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT
        shell: /usr/bin/bash -e {0}

      - name: Create and push tag
        run: |
          git config --global user.name "GitHub Actions Bot"
          git config --global user.email "actions@github.com"
          source $GITHUB_OUTPUT
          git tag -a ${{steps.package-version.outputs.version}} -m "$release_notes"
          git push origin ${{steps.package-version.outputs.version}}

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          body: ${{ steps.release-notes.outputs.release_notes }}
          prerelease: true
          tag_name: ${{ steps.package-version.outputs.version }}

permissions: 
  contents: write